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X9SPU-F Motherboard User's Manual
2-6
Connecting Cables & Optional Devices
This section provides brief descriptions and pin-out definitions for onboard headers
and connectors. Be sure to use the correct cable for each header or connector.
ATX Main PWR (JPW1) & GPU
PWR Connectors (JPW2)
The 24-pin main power connector
(JPW1) is used to provide power to
the motherboard. The 8-pin GPU
PWR connector JPW2 is also re-
quired for the graphics processor.
These power connectors meet the
SSI EPS 12V specification. See the
table on the right for pin definitions.
A
24-Pin Main PWR
KB/MS
JPUSB1:B/P USB WAKE UP
USB4/5/IPMI_LAN
JPUSB1
VGA
SW1
1
1
UIOP
8-Pin GPU PWR
J16
JUSB4
JPUSB1
1-2:ENABLE
2-3:DISABLE
R137
1
1
1
USB3.0-2/3
JPG1
JPL2
JPME1
JPL1
JPME2
+
JSD1
1
3
J8
SBX2: PCI-E 2.0 X4 in X8
SBX1: PCI-E 3.0/2.0 X16 or X8+X8
Pin#
13
14
15
16
17
18
19
20
21
B
22
23
24
JWD
JWD
JPI2C:PWR I2C
1-2:RST
2-3:NMI
JLED
OH/FF
LED
LED
1
2
PF
FAIL
NMI X
PWR HDD
NIC
NIC UID
PS
RST
ON
PWR
1
JF1
+
DDR3 1600/1333/1066 UDIMM/RDIMM required
DIMMA1
DIMMA2
DIMMB1
DIMMB2
J3
SBX3: PCI-E 2.0 X4
JL1:CHASSIS INSTRUSION
T-SGPIO1
T-SGPIO2
USB 12/13
2-20
ATX Power 24-pin Connector
Pin Definitions (JPW1)
Definition
Pin #
Definition
+3.3V
1
+3.3V
-12V
2
+3.3V
COM
3
COM
PS_ON
4
+5V
COM
5
COM
COM
6
+5V
COM
7
COM
Res (NC)
8
PWR_OK
+5V
9
5VSB
+5V
10
+12V
+5V
11
+12V
COM
12
+3.3V
12V 8-pin Power Connec-
tor Pin Definitions
Pins
Definition
1 through 4
Ground
5 through 8
+12V
(Required)
JPW1
1
FAN1
JPW2
JUSB3
USB 3.0-0/1
10
4
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